Tapered block copolymers
US5071920A · kind A · utility
8Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 27, 1991 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Mar 27, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F236/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Tapered block copolymers of monovinylidene aromatic monomers and conjugated diene monomers having an isolated polymerized monovinylidene aromatic content of from 30 to 75 percent, hydrogenated derivatives thereof and a process for their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.